OpenTelemetry Instrumentation for Honeycomb SDK setup, custom spans, attributes, span events, sampling, and layered telemetry. For conceptual foundations (why wide events matter, how attributes connect to investigation), see the observability-fundamentals skill. OTLP Configuration and SDK Setup Every OTel SDK needs these environment variables to send data to Honeycomb: Required Environment Variables Base configuration: Optional but recommended: For metrics (preferred): Use modern OTLP metrics and native datapoints. Use dataset hints to confirm the destination type ( or ). Authenticate with: P…